package com.wzy.vx.controller;

import com.wzy.vx.enums.ResuletEnum;
import com.wzy.vx.exception.SellException;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.net.URLEncoder;

/**
 * @ProjectName: vx
 * @Package: com.wzy.vx.controller
 * @ClassName: WechatController
 * @Author: Administrator
 * @Description: ${description}
 * @Date: 2019/3/14 16:34
 * @Version: 1.0
 */
@Controller
@RequestMapping("/wechat")
public class WechatController {

    @Autowired
    private WxMpService wxMpService;
    @Autowired
    private WxMpService wxOpenService ;


    private  final static Logger log = LoggerFactory.getLogger(WechatController.class);

    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl){
        String url = "http://wzy.natapp1.cc/sell/wechat/userInfo";
        String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url,WxConsts.OAUTH2_SCOPE_BASE,URLEncoder.encode(returnUrl));
        return "redirect:"+redirectUrl;
    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try{
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
        }catch(WxErrorException e){
            log.error("【微信网页授权】{}",e);
            throw new SellException(ResuletEnum.WX_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
               String openId = wxMpOAuth2AccessToken.getOpenId();
               return "redirect:"+returnUrl+"?openId="+openId;
    }

    //    二维码登录
    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl){
        String url = "http://wzy.natapp1.cc/sell/wechat/qrUserInfo";
        String redirectUrl = wxOpenService.buildQrConnectUrl(url,WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN,URLEncoder.encode(returnUrl));
        return "redirect:"+redirectUrl;
    }

    @GetMapping("/qrUserInfo")
    public String qrUserInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try{
            wxMpOAuth2AccessToken = wxOpenService.oauth2getAccessToken(code);
        }catch(WxErrorException e){
            log.error("【微信网页授权】{}",e);
            throw new SellException(ResuletEnum.WX_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        log.info("wxMpOAuth2AccessToken={}",wxMpOAuth2AccessToken);
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openId="+openId;
    }
}
